Customer.io Reviews in April 2025: User Ratings, Pros & Cons

"Great Messaging and Analytics Tool"

What do you like best about Customer.io? The navigation is simple and the connection to segment has vastly improved our ability to track events and actions taken by our customers. New workflows can easily be created and messages can be sent to very specific segments that are completely customizable. What do you dislike about Customer.io? The data doesn't always come in the cleanest and so there are necessary steps to take when making sure everyone that needs to be involved in a messaging ...

"Powerful Marketing automation solution for our company"

What do you like best about Customer.io? Customer.io is our primary tool for automating all our email campaigns. We've configured auto-trigger that instantly sends an email when a customer performs a specific action or event on our web application. It can be easily integrated with other services such as Google Analytics, Amplitude, AWS S3, Google Ads and many more to extends its functionality. The rule-based visual workflow allows us to create logic and send the campaign only when an event ...

"A functional email system with good support"

What do you like best about Customer.io? When we build new apps or startup prototypes for clients, Customer.io is one of the most reliable tools in our stack. It makes customer communication SO easy and intuitive, allowing you to easily group customers into segments, trigger communications based on specific events, etc. The API is easy to use too, and makes it really easy to integrate with your app at a deep level. I couldn't imagine life without it! What do you dislike about ...

"Interaction with customers is so easy because of this application"

What do you like best about Customer.io? This platform is based on email marketing, the final goal of the software is to reach to the buyer with emails, sales messages as well as push notifications whenever anywhere. The greatest constraint is to identify the audience, So now this particular program performs, this will surely find greatest audience who're in any way interested in our ad or notification. What do you dislike about Customer.io? The Graphical user interface of the older edition ...

"Good segment.io integration but not much else relative to the market"

What do you like best about Customer.io? It was easy to set up transactional emails out of the box based on the segment.io integration. It was also easy to use in terms of how it visualized campaigns and had out of the box A/B testing. What do you dislike about Customer.io? It was clunky at times and if anything happened with segment.io, the entire experience was messed up. You can also only have one conversion event across the entire account which makes it difficult to evaluate campaign ...

"Robust and effective email marketing campaigns"

What do you like best about Customer.io? You have multiple options for customization, it enables you to create newsletters well-designed without using code. I like the ability to track emails because we can know how many people open them and if they click on the embedded links. It provides detailed reports and analytics. It allows us to easily visualize trends that help us identify strengths and weaknesses in our launched campaigns. Customer.io simplifies interaction with our customers and ...

"The Best way to Automate your messages to your customers!"

What do you like best about Customer.io? Using Customer.io helps to really monitor how our clients/customers are looking and using our emails. it allows us to be notified when the emails are read and if they select any links or content that is enclosed in the email. being able to use this information on customer interaction helps give us a better understanding of how our customers do and don't do with the info being sent so that is can be better shaped for future emails that will attract ...

"Customer.io is an innovative service"

What do you like best about Customer.io? The platform is intuitive and user-friendly, provides a set of tools that drive to build stronger relationships with our users. The system is suitable for automating the rule-based workflow, speeding up the creation of high performance campaigns. The editor is easy to use, it also allows you to import templates created by our team. It has a great capacity for customization. In addition, Customer.io has a powerful tracking tool. It tracks the emails ...

"Great at it's work"

What do you like best about Customer.io? it integrates with our internal systems which ensures we can have triggered campaigns built. It helps ensure good onboarding systems and ongoing user connections. What do you dislike about Customer.io? It can be quite clunky, and there aren't any branching as of yet to make the system really tailored to each user. What problems is Customer.io solving and how is that benefiting you? We are working to ensure we are able to work with our users in an ...

"Marketing software that you can run everywhere"

What do you like best about Customer.io? Customer.io it is the only tool you will need to be in touch with your clients, with this solution you will be able to connect your emails to your mobile phones and send them the big bunch of messages across all platforms, and when I say across all the platforms, trust me across all of them even 'Linux !. Bring automation to the next level and improve communication with rules that trigger email just in time and get reactions from your clients like: ...